Low carb high fat diet myth n64,ways to lose baby weight fast unhealthy,easy way to lose weight while breastfeeding 911,fast fat burning miracle pill - PDF Review

09.03.2014
For me, nothing beats a gorgeous rib-eye or sirloin steak, cooked so that the meat is rare but the fat is translucent and brown on top. When eating out, desserts are usually off-limits for obvious reasons, so let’s thank the French for introducing the custom of finishing a meal with a cheese course.
Low carb high fat means you don’t have to follow that cliched advice of removing skin from poultry, and chicken does taste so much better for it! So we can’t have traditional sugary desserts when on a low-carb diet, but who cares when we can have double cream instead! Duck breasts are another example of a food that is clearly meant to be eaten with skin on – discarding it makes the whole experience plummet dramatically. Egg yolks are obviously an integral part of the egg, and in my opinion much more fun than the whites! I realise that this post is a shameless ode to fat, and reading it alone is probably enough to give a heart attack to a low-fat advocate.
LCHF works if you are very strict keeping your carbs low – then you can indulge in having high fat foods. LCHF suppresses appetite so although you would eat high-calorie, high-fat foods, you would be likely to consume less calories overall.
When on strict LCHF, your body will eventually switch into ketosis, and start burning fat for fuel instead of carbs.
By the way, in less than a year on this diet, I have lost 130 pounds, dropped all three blood pressure meds I was on, and gained such good control of my blood sugar, that I now have a lower A1C than many healthy, no diabetic people.
LCHF Diet BookThis website supports "The Complete Low Carb High Fat No Hunger Diet" book which became available for sale in May 2014. We have spent much of our time in the last two years supporting readers and creating 3 more recipe books for Low Carb High Fat dieters. Please be patient but feel free to contact us at any time for specific questions you have about the Keto Hybrid diet. This means, if a person requires 2000 calories a day for their body’s basic functions (BMR) along with their activities, and they consume 2,500 calories a day instead, they will have consumed and stored an excess of 500 calories per day or 3,500 calories in one week, and therefore gained one pound in seven days. It does not matter which of the three macronutrient groups the excess calories come from: fat, protein or carbohydrates or any combination of the three. The low carb diet does have its strategy and success though: control the production of insulin, which helps the body to one day use it again effectively and therefore metabolize glucose instead of storing it, and also to restrict the production of lipoprotein lipase.
There are options when it comes to composing the daily intake of food when controlling calories for weight loss. Deep down we know that that eating well and in controlled portions and in combination with exercise for energy expenditure is the proper way to lose weight.
So, when that new fad diet comes along that makes this process easier, or more delicious, it’s equivalent to the get rich quick scheme. The Ketogenic Diet in some form or another has been labeled by many different names in recent times, and started gaining traction again with Dr. This diet is not new, however, as it was seen as a therapeutic diet that produced better results than drugs in treating epilepsy way back in the 1920s. When the Atkins diet gained media popularity several years ago, many critics complained that there were no long-term studies done on the diet.
The research that is starting to be published on the effectiveness of the Ketogenic Diet in curing disease is nothing less than amazing. Dietary and metabolic therapies have been attempted in a wide variety of neurological diseases, including epilepsy, headache, neurotrauma, Alzheimer disease, Parkinson disease, sleep disorders, brain cancer, autism, pain, and multiple sclerosis. This review article explores the rationale for using the KD and related dietary treatments in neurological disorders outside of epilepsy, and summarizes the clinical experience to date. Over the past decade, investigators have identified numerous mechanisms through which the KD may provide neuroprotective activity.
Two hallmark features of KD treatment are the rise in ketone body production by the liver and a reduction in blood glucose levels.
In the end, there are likely many other mechanisms that could contribute to the neuroprotective properties of the KD.
Aging involves the gradual decrease in function, and at times outright degeneration, of neurons and neural circuits. Thus, there is growing evidence that the KD may be an effective treatment for AD through a variety of metabolism-induced mechanisms that reduce oxidative stress and neuroinflammation, and enhance bioenergetic profiles - largely through enhanced mitochondrial functioning. The primary pathophysiology in Parkinson disease (PD) is excitotoxic degeneration of dopaminergic neurons in the substantia nigra, leading to abnormalities of movement, and to an increasing extent, in cognition and other cortical functions.
Amyotrophic lateral sclerosis (ALS) is a rapidly progressive disease due to degeneration of motor neurons of the cortex and anterior horn of the spinal cord.
One potentially important consideration in this regard - applicable to all neurodegenerative diseases - is determining whether timing of intervention is crucial for a protective effect by KD treatment. While clinical validation of this phenomenon is not yet forthcoming, there are several case reports suggesting that the KD may be efficacious in humans with brain tumors. To date, no clinical trials of the KD have been performed in patients with stroke, but several animal studies of hypoxia-ischemia support the potential beneficial effect of the diet. Unfortunately, the incidence of brain injury is increasing in both civilian and military contexts. Several recent animal studies support this idea, and investigators have principally focused on ketone bodies (Prins, 2008a). With respect to anti-epileptogenesis following head injury, the data regarding KD effects are mixed. Mood stabilizing properties of the KD have been hypothesized (El-Mallakh and Paskitti, 2001), but no clinical studies have been conducted as of this writing.
Autism is a neurodevelopmental disorder that affects language development and social function.
Migraine is a paroxysmal neurological disorder having considerable clinical phenotypic overlap with epilepsy (Rogawski, 2008). Interestingly, the first report of using the KD for migraine came in 1928, only a few years after the diet's first use for epilepsy (Schnabel, 1928). Despite the relative lack of clinical data, there is an emerging literature supporting the broad use of the KD (and its variants) against a variety of neurological conditions. The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. There have been two noted personalities who have researched about the LCHF ie The Low Carb High Fat Diet.
As the term might indicate, this kind of diet requires a high fat degree, a very low carbohydrate consumption and a moderate protein consumption. Keto is a word derived from ketones which is defined as the break down of fat and the increase in levels of the amount of fat our bodies burn. Vegetarian person is one who eats only vegetables and fruits and explicitly avoids animals flesh. CSAACTIVE is dedicated to our customers both young and old & appreciate their dedication to leading an active healthy lifestyle!CSAACTIVE is commited in providing Sports Nutrition Guide and Education to help our customers achieve their Fitness Goals including Weight Loss, Bodybuilding Training, Endurance Sports and most importantly Healthier Lifestyle. I could literally have this every day, it would make me very happy (maybe one day when I am rich and own a cattle farm).
I prefer mine unsmoked and have a rather idiosyncratic method of cooking it in the oven – it takes much longer than frying or grilling, but is well worth the wait. Many British restaurants now include this option to their dessert menus, and there are plenty of British cheeses that can rival their continental counterparts. Double cream plus a bit of sweetener forms a base of many low-carb sugar-free desserts, and definitely fills the void.
When on LCHF you don’t have to put up with any nonsense that advises you to discard the yolks and have just the whites.
If you are not bothering to restrict carbs, then eating extra fat as described above is likely to lead to weight gain. If a person eats 500 calories a day less than their required intake, will they lose one pound in a week? This occurs when the cells of the body no longer respond to insulin, the hormone responsible for transporting glucose or carbohydrates out to cells to be used for body processes and activities. If a person consumes a diet that is 1500 calories made up of chick peas, quinoa, spinach, broccoli, apples, oranges, peppers and tomatoes which is all carbohydrates and therefore deemed high carbohydrate because there is no other macronutrient included, and their daily required energy intake for their BMR plus daily activities is 2000 calories, they will lose 1 pound in a week. Trying to get the most nutrition out of that say 1500 calories would be the strategy that falls in line with the healthiest. Her clients include those who are trying to lose fat, gain muscle, increase muscular and cardiovascular endurance, speed up metabolism, recover from injury and learn proper exercise technique. Today, the diet is being studied in the medical community with applications to all kinds of diseases. However, there are plenty of studies on the Ketogenic Diet and there has never been any negative effects recorded from long-term use.
The impetus for using various diets to treat - or at least ameliorate symptoms of - these disorders stems from both a lack of effectiveness of pharmacological therapies, and also the intrinsic appeal of implementing a more "natural" treatment. Even in patients with medically refractory epilepsy who have remained seizure-free on the KD for 2 years or more, it is not uncommon for clinicians to observe that both anticonvulsant medications and the diet can be successfully discontinued without recrudescence of seizures (Freeman et al., 2007). An underlying theme of such diet-based therapies is that nutrients and metabolic substrates can exert profound effects on neuronal plasticity, modifying neural circuits and cellular properties to enhance and normalize function. Many of these mechanisms are thought to relate principally to the KD's anticonvulsant effects, but some if not all of them could contribute to cellular homeostasis and preventing neuronal injury or dysfunction. After its introduction in 1920, the KD was used as a first or second-line treatment for severe childhood epilepsy.


It is possible that by altering energy metabolism with the KD, rates of degeneration of certain neural structures and functions might be slowed (Balietti et al., 2010a).
While the essential pathological processes of AD involves neuronal degeneration with accumulation of abnormal cellular products such as fibrillary plaques and tangles, recent evidence points to alterations in the function of extant neural circuits and mitochondrial homeostasis (Kapogiannis and Mattson, 2011).
A randomized double-blind, placebo-controlled trial of a MCT KD resulted in significantly improved cognitive functioning in APO?4-negative patients with AD but not in patients with a APO?4 mutation (Henderson et al., 2009).
AGE accumulation is a process of normal aging that is accelerated in AD; proteins are non-enzymatically glycosylated and this cross-linking of proteins accentuates their dysfunction. However, caution should be exercised in extrapolating findings in animals to humans, as discrepancies in terms of both clinical efficacy and untoward side-effects have been noted.
As a consequence, voluntary motor activity gradually deteriorates, leaving the affected individual profoundly weak despite largely retained cognitive functioning. Neurological disorders in late stages of progression may have such extreme neuronal dysfunction and death to allow a "re-fueling" with metabolic substrates to help recover integrity and function.
Most of these models entail pre-treatment with the KD (or with BHB), resulting in decreased structural and functional damage from the stroke.
At the same time, it must be considered that inherent mitochondrial dysfunction might predispose individuals to adverse toxicities from high fatty acid loads that could overwhelm ?-oxidation within the mitochondrial matrix. KD treatment - either before or after fluid percussion injury in rats - did not alter later seizure sensitivity to fluorothyl, even though the degree of hippocampal cell loss was reduced by pre- but not post-treatment (Schwartzkroin et al., 2010).
The heterogeneous etiologies leading to autism spectrum disorders, plus the uncertainty about what causes autism in the majority of "idiopathic" cases, has hampered the development of a universally beneficial treatment, aside from symptomatic treatment of autism-related behaviors such as aggression or anxiety. Although the intrinsic mechanisms underlying seizures and migraine attacks differ in many fundamental respects, there are theoretical reasons to consider the KD for chronic migraine.
Nine of 28 patients reported "some improvement," although the validity of this clinical study is uncertain and some patients admitted poor compliance. This diet was introduced in the 21st century and has continued with certain changes throughout the years. Keto – adaption is when we stop ingesting a good amount of carbohydrate and instead consume a lot of fat.
One was the Low Carbohydrate High fat diet while the other was the Low fat high carbohydrate diet. Rib of beef is another favourite – basically a gigantic rib-eye joint – lots of fat and utterly delicious (read more on roasting beef). Put bacon rashers on a roasting tray, add a couple of spoons of water, stick it in a very hot oven for 10 mins or so, then turn it down to about Gas Mark 4 and roast for another 30 mins. For the simplest option, whip up some double cream with sweetener and unsweetened cocoa powder.
Use it for frying, spread it on low-carb bread, make gorgeous sauces like hollandaise, add it to boiled vegetables to give them some extra oomph. However, it does taste better when the skin is crispy, so make some criss-cross scores on the skin and gently fry duck breasts skin-down for about 5-10 minutes, spooning the fat out of the pan.
An excess of this food energy that surpasses the body’s requirements is unfortunately not excreted by the body, but instead stored in fat tissues and so weight is gained.
Even if a person eats an excess of 500 calories worth of lean protein (say, 2 ? chicken breasts) a day, they will still gain one pound in one week. A low carbohydrate diet can help this imbalance by lessening the production of insulin over a given period of time and one day the body may become sensitive to insulin again and it can do its’ job—help the body use the carbohydrates instead of storing them and gaining weight. If someone opts to compose their 1500 calories per day from 30 ounces of bacon and nothing else, yes they will lose weight but at the expense of sacrificing fibre, vitamins, minerals and substituting instead a diet that is high in saturated fat, low in protein (yes bacon is not a high protein source) and can contribute to creating or exacerbating conditions like heart disease ad gout. She is certified by the American Council on Exercise as a Personal Trainer, and AMFPT as a Sports Nutritionist. Today's latest fad diet, the "paelo diet" is another example of a diet based on the ketogenic principles.
Of course, most of the medical interest in the diet is to try and develop a line of "ketone" drugs to mimic the diet. The enormous spectrum of pathophysiological mechanisms underlying the aforementioned diseases would suggest a degree of complexity that cannot be impacted universally by any single dietary treatment. This intriguing clinical observation forms the basis of the hypothesis that the KD may possess anti-epileptogenic properties. At a fundamental level, any disease in which the pathogenesis is influenced by abnormalities in cellular energy utilization - and this implies almost every known condition - would theoretically be amenable to the KD. An important caveat, however, is that yet unidentified mechanisms may operate in diseases outside of epilepsy, and this possibility presents further opportunities for examining the pleiotropic effects of this metabolism-based therapy at a mechanistic level.
With the introduction of anticonvulsant medications in convenient pill form, the use of the KD waned, only to resurge later in the early 1990s, due largely to the efforts of concerned parents who brought the diet back to greater public awareness (Wheless, 2008). However, KDs may induce differential morphological effects in structures such as the hippocampus, perhaps as a consequence of region-specific neuronal vulnerability during the late aging process (Balietti et al., 2008). This view is bolstered by the higher incidence of seizures in patients with AD as compared to the unaffected population (Palop and Mucke, 2009). In this study, the primary cognitive end-points measured were the mean change from baseline in the AD Assessment Scale-Cognitive subscale, and global scores in the AD Cooperative Study - Clinical Global Impression of Change (Henderson et al., 2009). Transgenic AD mice fed 2DG demonstrated better mitochondrial function, less oxidative stress, and reduced expression of amyloid precursor protein and ?-amyloid compared to control animals (Yao et al., 2011). One proposed mechanism is increased ROS and free radical formation, which, as discussed above, hampers mitochondrial function.
The essential pathophysiological mechanisms that underlie this relentless disorder are yet to be fully elucidated, but similar to other neurodegenerative disorders, the involvement of energy-producing systems likely play a role and mitochondrial dysfunction probably contributes to disease pathogenesis.
Certainly, this appears to be the case in a small pilot study of KD treatment in patients with Lafora body disease (Cardinali et al., 2006).
Despite this well documented cellular observation, the KD has only recently been considered as a clinical treatment in the oncology field. Experimental data described above attest to significant improvements in mitochondrial function, and many lines of evidence point to the rationale of therapeutically targeting mitochondrial bioenergetics for other disease states (Wallace et al., 2010), but is there any clinical evidence in patients with intrinsic mitochondrial disorders? Further, the occurrence of epilepsy months to years following brain trauma adds to the morbidity of affected individuals, and speaks to the emergence of hyperexcitable neuronal circuits over time. Similarly, in the lithium - pilocarpine model of temporal lobe epilepsy, KD treatment prior to induction led to morphological neuroprotection in the hippocampus but did not affect latency to onset of spontaneous recurrent seizures (Linard et al., 2010).
Now, limited clinical evidence raises the intriguing possibility that the KD might be helpful to alleviate some of the abnormal behaviors seen in children with autism spectrum disorders. Both disorders involve paroxysmal excitability changes in the brain, and there is considerable overlap in the array of pharmacological agents used to treat these conditions. Compliance might be better with the less restrictive modified Atkins diet, which has also shown promise for migraine treatment (Kossoff et al., 2010).
How can a simple dietary change lead to improvement in disorders with such a huge span of pathophysiological mechanisms?
Ketogenic diets: an historical antiepieptic therapy with promising potentialities for the aging brain. A ketogenic diet increases succinic dehydrogenase (SDH) activity and recovers age-related decrease in numeric density of SDH-positive mitochondria in cerebellar Purkinje cells of late-adult rats.
Ketogenic diets cause opposing changes in synaptic morphology in CA1 hippocampus and dentate gyrus of late-adult rats. Benefits of caloric restriction on brain aging and related pathological states: understanding mechanisms to devise novel therapies. Peroxisome proliferator-activated receptor alpha and the ketogenic diet.Epilepsia 49(Suppl.
Peroxisome proliferator activated receptor ? ligands as anti-cancer drugs targeting mitochondrial metabolism.
First was the author of the book ‘’The Real Meal Revolution’’, whose name was Professor Tim Noakes.
While others can handle even 150 gram carbohydrate easily because their metabolic system allows them to. The period then taken to adjust to this change and realize if it’s for the better or for the worse is known as Keto Adaptation. So some scientists believe that this is the reason this diet suits us, because it was trained into our systems.
Atkins, Keto) are also high in fat, allowing the most indulgent and hedonistic meals while still losing weight.
Lamb shoulder or neck and pork belly also have plenty of fat – I think the best method for those is slow-cooking. Then stick them in the oven for another 10-20 minutes (depending on whether you like them pink or well-done). Bone marrow is basically fat but it tastes utterly delicious and absolutely melts in your mouth. Eating an excess of calories is the only way to gain weight and depleting the calories (or expending them through activity) is the only way to lose weight unless there is an imbalance in the body’s hormones and therefore the body is not metabolizing food the way it should. An excess of insulin in the bloodstream also stimulates the production of lipoprotein lipase, a hormone that conserves fat. She has completed her training with CanFitPro as a Pre and Post-Natal Specialist and with OMgym as a Suspension Yoga Teacher. Ketones, which our body can produce during fasting or "starvation," is an alternative energy source for those who are insulin resistant. Yet, it is conceivable that alterations in certain dietary constituents could affect the course and impact the outcome of these brain disorders. It is important to acknowledge that much of the data discussed here are preliminary and anecdotal, and hence need to be validated by well-controlled prospective studies.


Specifically, it has been shown that the medium-chain triglyceride (MCT) form of the KD may induce detrimental synaptic changes in CA1 stratum moleculare, but beneficial effects in the outer molecular layer of the dentate gyrus (Balietti et al., 2008). Therefore, there is a rationale for hypothesizing that the KD might have a beneficial role in patients with AD (Balietti et al., 2010a), in addition to the potential benefits to the aging process as noted above. This significant clinical improvement was considered to be secondary to improved mitochondrial function, since ketone bodies (specifically, beta-hydroxybutyrate or BHB) have been shown to protect against the toxic effects of ?-amyloid on neurons in culture (Kashiwaya et al., 2000). In animal models of PD produced by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), BHB administration ameliorated the mitochondrial respiratory chain damage that ordinarily results from that toxin (Kashiwaya et al., 2000).
One group found that the KD reduces ROS production in malignant glioma cells, and gene microarray expression profiling demonstrated that the KD induces an overall reversion to patterns seen in non-tumor specimens and a reduction in the expression of genes encoding signal transduction pathways and growth factors known to be involved in glioma growth (Stafford et al., 2010). Hence, in light of the clinical problem of post-traumatic epileptogenesis and the fact that the KD can reduce seizure activity, the notion has emerged that dietary therapy might ameliorate brain injury and possibly, long-term consequences such as epilepsy. Later, they showed that cognitive and motor functioning was also improved with KD treatment (Appelberg et al., 2009). Using a KD variant consisting of MCT, 10 of 18 autistic children demonstrated moderate or significant behavioral improvement (by a blinded rater) after a 6-month trial of providing the diet for 4weeks of KD diet treatment alternating with 2weeks of normal diet, in 6-week cycles (Evangeliou et al., 2003). Although it might seem unlikely that an individual with migraine would undertake such a complicated dietary regimen as the KD, in light of suboptimal alternatives, this choice is worthy of consideration, particularly in the medically refractory population (Maggioni et al., 2011). Tim Noakes also happened to be a well renowned professor at the University of Cape town in South Africa and his book is one of the most well read books in South Africa. It is a very important part of the LCHF diet and lets us know if the person is up to the diet or if his system rejects it.
This post focuses on gorgeous low-carb high-fat (LCHF) foods – let’s count our blessings and rejoice! Finally, I always keep my eyes open for any hog roast stands– tender pork meat with some crackling, ooh – I have in the past attended music festivals just so that I can get to eat some hog roast. Finally, if you can’t be bothered to do any of that, you can always get a ready-made roast chicken from a rotisserie. There are conditions that exist that affect the body’s metabolism: PCOS, insulin resistance, thyroid hormone imbalances, menopause and andropause to name a few.
It is still official government dietary policy today, due to the influence of the vegetable oil industry which produces their products from the highly subsidized corn and soy bean crops. So with no side effects from a natural diet, it is highly unlikely that any pharmaceutical products will see the same success the Ketogenic Diet is seeing today. Further, it is possible that a final common neurometabolic pathway might be influenced by a variety of dietary interventions.
Along similar lines of improved bioenergetics, the KD has been shown to stimulate mitochondrial biogenesis, resulting in stabilized synaptic function (Bough et al., 2006).
The KD has now become an integral part of the armamentarium of most major epilepsy centers throughout the world (Kossoff and McGrogan, 2005). In MCT-fed aged rats compared to aged rats receiving a normal diet, mitochondrial density and function in cerebellar Purkinje cells were significantly increased, suggesting that the KD can rescue age-related mitochondrial dysfunction (Balietti et al., 2010b). Alternatively, the KD may actually decrease amounts of ?-amyloid deposition (VanderAuwera et al., 2005).
Additional evidence supporting the potential benefits of ketone bodies in PD is provided by in vitro experiments demonstrating the protective effects of these substrates against mitochondrial respiratory chain dysfunction induced exogenously by complex I and II inhibitors rotenone and 3-nitropropionic acid, respectively (Kim do et al., 2010), and even anti-inflammatory actions of the KD on MPTP-induced neurotoxicity (Yang and Cheng, 2010). Administration of a KD to these mutant mice led to both histological (higher motor neuron counts) and functional improvements (preserved motor function on the rotorod test) compared to non-KD fed animals (Zhao et al., 2006).
It is also interesting to note that PPAR?-activated by nutrients such as fatty acids - is now a target for developing anti-cancer drugs that target mitochondrial metabolism (Grabacka et al., 2010). This study was carried out on the island of Crete, where the frequency of autism is high but the possibility of genetic inbreeding is also significant. Notwithstanding this limitation, laboratory investigations have found that both short-term and long-term treatment with either MCT or long-chain triglyceride forms of the KD resulted in a significant reduction in the velocity of cortical spreading depression (CSD) velocity in immature rats (de Almeida Rabello Oliveira et al., 2008). But depending wholly on your system you are allowed to lessen the intake if it doesn’t suit. Professor Tim Noakes conducted a research on this diet in South Africa on 127 individuals, who reported to have lost 1900 kg combined weight. The most notable example of a dietary treatment with proven efficacy against a neurological condition is the high-fat, low-carbohydrate ketogenic diet (KD) used in patients with medically intractable epilepsy. Thus, the potential for interesting and novel applications of the KD and related dietary therapies is almost limitless (Stafstrom, 2004).
These observations imply certain risks, but also potential benefits of the KD for the aging brain. Interestingly, other diets such as the Mediterranean diet are showing some promise in AD (Gu et al., 2010), possibly through a reduction in systemic inflammation and improved metabolic profiles.
Further, in a pilot trial of the KD in 16 patients with advanced metastatic tumors, six individuals reported improved emotional functioning and less insomnia, indicating that in some instances, the KD may lead to improved quality of life (Schmidt et al., 2011).
Other researchers have hypothesized that the neuroprotective properties of ketone bodies might be related to up-regulation of hypoxia inducible factor (HIF1-?) which is important in angiogenesis and anti-apoptotic activity (Puchowicz et al., 2008). These authors observed that half of these patients became seizure-free on the KD, and only four patients failed to respond.
Thus, at this juncture, there is no consensus regarding whether the KD is anti-epileptogenic following a variety of traumatic insults and manipulations. Therefore, these findings need to be interpreted cautiously and larger longitudinal studies are needed.
Another intriguing aspect of this study was the observation that triheptanoin - an anaplerotic substrate that enhances tricarboxylic acid cycle function - had a notable effect in retarding CSD, consistent with a later report that triheptanoin supplementation raised pentylenetetrazol tonic seizure threshold and delayed the development of corneal kindled seizures (Willis et al., 2010). Ultimately, the details of how that altered metabolism reduces neuronal excitability, abrogates ongoing neurodegeneration, or mitigates functional disability remain unknown. The effects of a ketogenic diet on behavioral outcome after controlled cortical impact injury in the juvenile and adult rat.
Ketogenic diet prevents alterations in brain metabolism in young but not adult rats after traumatic brain injury.
2-Deoxy-D-glucose reduces epilepsy progression by NRSF-CtBP-dependent metabolic regulation of chromatin structure. Caloric restriction inhibits seizure susceptibility in epileptic EL mice by reducing blood glucose. While the mechanisms through which the KD works remain unclear, there is now compelling evidence that its efficacy is likely related to the normalization of aberrant energy metabolism. However, the fact that the KD reduces oxidative stress and its downstream consequences provides a reasonable rationale for considering this type of treatment to retard the adverse consequences during aging (Freemantle et al., 2009).
Mitochondria from these mutant mice demonstrated increased ATP synthesis, countering the inhibition of complex I of the electron transport chain.
In contrast, a retrospective examination of five patients with tuberous sclerosis complex treated with the KD indicated either a lack of tumor suppression or further tumor growth (Chu-Shore et al., 2010). In that study, pre-treatment with BHB (via intraventricular infusion, followed by middle cerebral artery occlusion) led to significant increases in brain succinate content, as well as elevations in HIF1-? and Bcl-2, an anti-apoptotic protein.
Hence, these preliminary data suggest that the KD is not necessarily contraindicated in patients with mitochondrial respiratory chain abnormalities. Consistent with these observations, it was found that fasting - which shares the key feature of ketosis with the KD - led to significant tissue sparing in brain following CCI injury, and that again ketosis (with improved mitochondrial functioning) rather than the relative hypoglycemia seen with fasting was the important determinant of neuroprotection (Davis et al., 2008).
The potential involvement of adenosine, an endogenous neuromodulator and anticonvulsant, in ameliorating autistic behaviors raises the possibility of overlap with KD mechanisms (Masino et al., 2011). Herein lay rich opportunities for further investigation, in both the laboratory and the clinic, in the broad realm of translational neurosciences. These diseases mostly included type 2 diabetes, but in some cases it also cured type 1 diabetes.
The concept that many neurological conditions are linked pathophysiologically to energy dysregulation could well provide a common research and experimental therapeutics platform, from which the course of several neurological diseases could be favorably influenced by dietary means. As an example, T-maze and object recognition performance were improved in aged rats by KD administration, suggesting a potential functional benefit in cognition (Xu et al., 2010). It is important to note that approximately 20% of the familial cases of ALS have SOD1 mutations, and hence the possibility arises that the KD may be of benefit to patients with ALS.
Thus, it may be that distinct tumor types within different organ systems may respond differently to the KD or other dietary treatments and that such differences may reflect variations in the metabolic vulnerability of specific tumor types, perhaps through intrinsic differences in the expression of metabolism-related genes (Stafford et al., 2010). To be clinically meaningful, of course, a positive effect must be demonstrable after, and not before, an ischemic event. As a caveat, many children with autism poorly tolerate changes in dietary and other routines, which could impact implementation of dietary therapies, which require strict adherence. Here we provide an overview of studies using the KD in a wide panoply of neurologic disorders in which neuroprotection is an essential component. Finally, it should be noted that because of its similarities to calorie restriction (as noted above), the KD is likely to involve other neuroprotective mechanisms that could ameliorate pathological aging - especially when occurring in the context of neurodegeneration (Contestabile, 2009). Nevertheless, such studies imply that biochemical alterations that favor energy metabolism would be protective against acute forms of severe brain injury.
Thus, it is critical to determine the specific mitochondrial defect when considering treatment with the KD, to avert clinical deterioration. We will learn more about its aspects and properties in the upcoming paragraphs and articles.



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